Development Blog, Grand Prix 1973 Grand Prix BT42 Development: Day 6: The Cockpit Posted on April 6, 2021April 14, 2021 by admin 06 Apr Day 6: Cockpit is now ready. Next stop: UV Mapping and textures. Grand Prix BT42 Development: Day 5: Wheels and Exterior details Grand Prix BT42 Development: Days 7-9: Textures and materials